/**
 * Copyright 2012-2014 Naeregwen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package components.workers.responsehandlers;

import java.io.IOException;
import java.io.InputStream;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;

/**
 * @author anguyen
 *
 */
public class ImageIconResponseHandler implements ResponseHandler<ImageIcon> {
	
	@Override
	public ImageIcon handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
	    int status = response.getStatusLine().getStatusCode();
	    if (status >= 200 && status < 300) {
	        HttpEntity entity = response.getEntity();
	        if (entity != null) {
	            InputStream inputStream = entity.getContent();
	            try {
	            	return new ImageIcon(ImageIO.read(inputStream));
	            } catch (IOException ex) {
	                throw ex;
	            } finally {
	                inputStream.close();
	            }
	        }
	    } else {
	        throw new ClientProtocolException("Unexpected response status: " + status);
	    }
	    return null;
	}

}
